深海油气田带螺旋列板海底管道铺设安装工艺试验研究
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Experimental study on installation technology of subsea pipelines with helical strakes in deepwater oil and gas fields
ZHANGXiaomin，WUShipeng，LIBin，GANHuiliang，LI Youhang，ZHAO Fuchen Installation Division， Offshore Oil Engineering Co.，Ltd.， Tianjin 30o452， China
Abstract：Basedonthecharacteristicsofteinstalltionofsubseapipelineswithhelicalstrakesindeepwateroilandgasfields，a pioneeredistaltintcholgyforsubseapipeliswitelicalstrakssdveloediCna.Tooptizethstalationpr， studywascondutedtoinvestigatethecompresiveperfomanceandinstalltionefciencyofhelicalstakesduringSshapedsubsea pipelineinstalltion.Atestingschemewasdesignedtoassessthepassigperformanceofelicalstrakes throughrollrsThetest involvedtwoscenarios：staticpassingthroughlongiudinaltansmissonolerswihoutlayingtensionanddynamicpassngthroughsten andstingerrolersuderlyingtesion，smuatingthactualtresconditiosandmovementprocesssofteelicalstraks.estudy verifiedteasibilitofttallotcsesdeitistalalaedald causesof installaiondamageandfactorsaffectinginstallaionefiencyBasedonthefindingsotimzationstrategiessuchas reinforcingteartingdptiingjoitcoctios，onrolingtetesionofidingstraps，ndiplemetingaualoatio modewereimplemented.Thesemeasuresnotonlyefectivelyreducedthedamagerateofthehelicalstrakesbutalsoimprovedthe instalationefiiencyofsubseapipenes，providingnwtechnalsolutionfortheinstalltinofsubseapipelineswithlicalstrkes in deepwater oil and gas fields.
Keywords：vortex-induced vibration;subsea pipeline;helical strake;installation test;S-lay installation
涡激振动（Vortex-InducedVibration，VIV）是深水油气田开发中海底管道面临的关键技术难题之一。（剩余4805字）